CVE-2025-11152: Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.

PriorityP346high8.6CVSS 3.1

AVNACLPRNUINSUCLIHAL

EPSS

0.25%

16.5th percentile

Sandbox escape due to integer overflow in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 143.0.3.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
debian	firefox	< firefox 143.0.3-1 (sid)	firefox 143.0.3-1 (sid)
mozilla	firefox	< 143.0.3	143.0.3
mozilla	firefox	—	—

CVSS provenance

nvdv3.18.6HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L

osv8.6HIGH

vendor_debian8.6HIGH

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